are transforming the global economy." he was in atense for the fall for the book festival held annually at the university. it's about a half an hour. >>> now joining us here at george maison university is professor philip auerswald. the most recent book is "the coming prosperity: how entrepreneurs are transforming the global economy". here's the cover of the book. professor, what role does -- play in economic development? >> well, that's a great question, and maybe i'll talk about what role does fear play in our conversation about. the conversation about the present. when we talk about our reality and share our idea in a marketplace, we're competing with other ideas. we know three things about marketplaces for ideas. short term sells better than long-term, fear sells better than hope, negative sells better than positive, and exaggerated sells better than moderated. so we see a disproportionate number of short term narrative of negative, exaggerated stories essentially. so short term negative exaggerated. that is overrepresented in the marketplace of ideas. there's good reason for that.